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EP 3 167 558 A1

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(43) Date of publication: 17.05.2017 Bulletin 2017/20 (21) Application number: 14736395.6 (22) Date of filing: 07.07.2014

(51) International Patent Classification (IPC):  H04B 10/556(2013.01) (86) International application number: PCT/EP2014/064488 (87) International publication number: WO 2016/004975 (14.01.2016 Gazette 2016/02)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: D'ERRICO, Antonio I-56100 Pisa (IT) CAVALIERE, Fabio I-56100 Pisa (IT) GIORGI, Luca I-56100 Pisa (IT) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)